Thor – #347 (1984) : Walter Simonson.

You saw him in the new Thor: Dark World trailer, here is his new nemesis: Malekith the Accursed, ruler of the Dark Elves of Svartalfheim.

“Into the Realm of Faerie!”: “Thor and Roger invade the realm of Faerie to rescue Thor’s love while keeping the Casket of Ancient Winters out of Malekith’s hands. They don’t quite succeed. Balder has a chat with a Norn. Odin prepares for battle. Surtur prepares to invade earth.”